Tag Archives: hypersonic flight

SpaceX Falcon 9 Second Stage Merlin Vacuum Engine & Dragon Spaceship Specifications

SpaceX Falcon 9 Second Stage Merlin Vacuum Engine & Dragon Spaceship Specifications

Falcon 9 rocket has completed a total of 83 launches, 44 landings, and 31 re-flow missions. A single Merlin Vacuum engine powers Falcon 9’s second-stage using a 165:1 expansion nozzle (large exhaust section and significantly larger nozzle to maximize efficiency in space vacuum) and can be restarted multiple times using dual redundant triethylaluminum-triethylborane pyrophoric igniters to place different payloads to ...

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